Finding the Fourth Proportional to 530,844.12, 732,561.12 and 289,125.95
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Solution
The fourth proportional to 530,844.12, 732,561.12 and 289,125.95 is: 398,991.75
Step by Step Solution
- Step 1: Write the proportion equation
530,844.12 : 732,561.12 = 289,125.95 : x - Step 2: Convert to fraction form
530,844.12/732,561.12 = 289,125.95/x - Step 3: Cross multiply
530,844.12x = 732,561.12 × 289,125.95 - Step 4: Simplify right side
530,844.12x = 211,802,426,090.26 - Step 5: Solve for x
x = 211,802,426,090.26/530,844.12 - Step 6: Final answer
x = 398,991.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.